you're seeing that play out in terms that he wasn't read his miranda rights. the difference being they can ask the question, they can get the information they need. but, the information they get, they can't, then, turn around and use against him at a trial. that would have to be gained separately. >> okay, thank you, chris. chris pulling a late shift for us. it was interesting, he said that, well, dzhokhar will, in fact, be a valuable piece of evidence, if you like. really, he was an older bloer. the younger one, i don't know, went aloong for the ride. >> yeah, the older brother, younger brother scenario. how this is sort of reminiscent of the sniper shooting. it was a similar situation. it soernly was a question just floating out there right now. and now that the police work has played off and chris was talking about tonight, as you've been discussing, it's really time to the legal aspect of the marathon bombings. earlier tonight, anderson cooper talked with senior legal analyst, jeffrey toobin. the first thing that will happen will lay out the basics of the